Home / 6,426.28-9,632.85-3,647.08

Finding the Fourth Proportional to 6,426.28, 9,632.85 and 3,647.08

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Solution

The fourth proportional to 6,426.28, 9,632.85 and 3,647.08 is: 5,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.28 : 9,632.85 = 3,647.08 : x
  2. Step 2: Convert to fraction form
    6,426.28/9,632.85 = 3,647.08/x
  3. Step 3: Cross multiply
    6,426.28x = 9,632.85 × 3,647.08
  4. Step 4: Simplify right side
    6,426.28x = 35,131,774.58
  5. Step 5: Solve for x
    x = 35,131,774.58/6,426.28
  6. Step 6: Final answer
    x = 5,466.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.